Bilco non-drainage angle frame kd-2, double leaf, aluminum, 48″l x 48″w generally for interior use or exterior applications where water or liquid infiltration into the access opening is not a concern. Type k floor access doors feature aluminum construction, 150 psf reinforcing for pedestrian applications, and engineered lift assistance for easy one-hand operation. Available in a number of standard single leaf and double leaf (type kd) sizes cover reinforced for 150 psf loading. Torsion rods counterbalance the cover for smooth, easy, one hand operation.